Arthritis Knee Referred Pain

By | April 16, 2018

Knee pain neuropathic knee pain

Hot off the press news about knee arthritisfrom Madrid… not all knee pain comes from the knee Neuropathic pain features common in knee OA Lucy Piper writing in Medwire News reportedenough patients with knee osteoarthritis (OA) experience pain with neuropathic characteristicsto warrant attempts to diagnose and classify these features, say researchers.They found that among 2176 patients with OA, a third scored positively for neuropathicpain on the Douler Neuropathique (DN4) questionnaire, after patients with reasons other than OAfor such pain had been excluded.

Analysis showed that three of these potentialconfounders – conditions other than OA that cause changes in cutaneous sensory perceptionson the knee, or cause abnormal sensations over the area of the knee, and referred backor hip pain – were highly specific for neuropathic pain, but less sensitive than the DN4.“When these factors are absent, the presence of neuropathic pain is unlikely, yet the DN4can sense additional neuropathic features in some patients,� explain the researchers,led by �ngel Oteo�lvaro ( General Universitario Gregorio Marañón, Madrid,Spain). Further confirmation and classification ofthese additional features could reveal links

between neuropathophysiology and signs andsymptoms of the condition, they note. Comment: Neuropathic pain may require differenttreatment than pain coming from other sources.

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